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Radiant|Lab Grown|IGI

1.28ct E VS2 Radiant Lab Grown Diamond

EX • E/VS2 • IGI LG636400604

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG636400604

Diamond specifications and retailer prices

From £135 GBP
$181 USD
As of October 30, 2026
Save £1,164 GBP (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,299 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG636400604 or 636400604. Listed at 9 retailers as of October 29, 2026, with prices from £135 to £1,299, a £1,164 spread on the same certified stone. Do Amore Diamonds lists it at £1,299. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636400604
Dimensions7.84 × 5.36 × 3.55 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.84 mm5.36 mm1.28 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636400604
Side View
Table 65.0%Crown 41°Girdle: MediumPavilion 35.3°Culet: NoneDepth 66.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,299 GBP|Low: £107 GBP|High: £1,299 GBP|Avg: £491 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7£135 GBP
Retailer 9£152 GBP
Retailer 2£222 GBP
Retailer 8£296 GBP
Retailer 12£318 GBP
Retailer 11£378 GBP
Retailer 3£391 GBP
Retailer 4£521 GBP
Retailer 6£569 GBP
Retailer 10£707 GBP
Retailer 5£870 GBP
Do Amore Diamonds£1,299 GBP

36 data points across 12 retailers

9 retailers£135 GBP to £1,299 GBP

A
Cheapest Retailer
-
£135 GBP
$181 USD
A
Retailer 2
-
£152 GBP
$203 USD
View
Final sale: no returns
A
Retailer 3
-
£157 GBP
$210 USD
View
A
Retailer 4
-
£222 GBP
View
A
Retailer 5
-
£296 GBP
$397 USD
View
B
Retailer 6
-
£569 GBP
$763 USD
View
B
Retailer 7
-
£595 GBP
$797 USD
View
B
Retailer 8
-
£870 GBP
View
Most Expensive
B
Do Amore Diamonds
27-D4191F613 · Oct 29
£1,299 GBP
$1,740 USD
View
8 more retailers have this diamond
Prices start from £135 GBPSave up to £1,164 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.28ct Radiant
£135 GBP